Escalators and stairs Where we go from here Sound Transit Citizen - - PowerPoint PPT Presentation

escalators and stairs
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Escalators and stairs Where we go from here Sound Transit Citizen - - PowerPoint PPT Presentation

Escalators and stairs Where we go from here Sound Transit Citizen Oversight Panel December 6, 2018 Why were here Escalator performance at UW Station has not met customer or agency expectations Customers have repeatedly


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Escalators and stairs

Where we go from here

Sound Transit Citizen Oversight Panel December 6, 2018

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  • Escalator performance at UW Station has not met

customer or agency expectations

  • Customers have repeatedly experienced major

disruptions

  • We have a plan to fix the problem

Why we’re here

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Why we’re here

Capitol Hill UW

Frequency of outages

4.5x

Capitol Hill UW

Maintenance cost per unit

3.6x

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What we’ve done

  • Studied options for maintaining or modernizing current

escalators vs. replacing all units

  • Conducted Total Cost of Ownership (TCO) analysis
  • Developed preliminary replacement timelines
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Why replacement?

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  • Less expensive to replace now than maintain current

units through expected end of useful life (2025)

  • Better reliability for customers years sooner
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Complete

1.

Execute emergency stair protocol Done

2.

Complete repairs recommended by consultant Q4 2018

3.

Transfer UW maintenance to manufacturer Q4 2018

4.

Convert back stairs for full-time use Q1 2019

5.

Connect sub-mezzanines 2019

6.

Replace two down escalators with stairs 2019-2022

7.

Replace the other 11 escalators 2019-2022

What we’re doing

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Public stair location

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Submezzanine connection

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Capitol Hill Station

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Problem:

  • Public stairs available from mezzanines to surface, but

platform access depends on escalators/elevators

Solution:

  • Convert stairs to all levels for permanent public use (2019)
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Public stair location

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Solution:

  • Public stairs when station opens in 2021
  • Contractor change order underway

U District Station

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Public stair location U District Station

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Downtown Seattle transit tunnel

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  • Taking ownership from King County Metro in 2020
  • Unknown scope of maintenance needs
  • Inheriting 36 escalators and 22 elevators
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Bottom line

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  • UW & Capitol Hill will have public stairs by early 2019.
  • U District Station will have public stairs upon opening.
  • We will replace all UW Station escalators.
  • Staff will return to the Board to authorize funds in 2019.
  • UW replacement begins in 2019, complete in 2022
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Message to our riders

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  • We apologize.
  • We have learned valuable design & procurement lessons.
  • We have a plan.
  • Any station with escalators will also include stairs.
  • We will only install heavy duty escalators.
  • Future elevated or tunnel stations will have redundant

access.

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Questions?